Look around a historical 360° scene, then guess the place on a map and the year on a timeline. Five rounds, five thousand points each. Czechia, Europe and the wider world.
mucker.cz
Look around the street and pin your guess on the map. Czechia, Slovakia, castles, Europe and the whole world — seven sets, five rounds, five thousand points each.
A night motorcycle run along the Tokyo Shuto Expressway. Three.js in a single file, a fastest-lap leaderboard, and it plays on a phone.
Can you tell Devanagari from Bengali, or Georgian from Armenian? A quiz on 21 writing systems — two difficulties, a hint for half the points, and an atlas that puts two scripts side by side. Czech only.
Axelrod's iterated prisoner's dilemma tournament — saved runs, a leaderboard and a results matrix for every strategy.
An overview of every app and tool with preview images — more detail than the cards on this directory.
A quiz portal with 600+ quizzes, SEO-first architecture and AI-generated content.
An attempt to connect expats in Czechia with locals — Czechs and foreigners helping each other with what actually gets in the way.
Games, quizzes and puzzles. Several formats of fun in one place.
AI experiments and tools on their own domain.
Photograph a plant, the AI names it. A mobile identifier powered by Gemini Vision. I do not keep the live demo open to the public — every recognition burns AI tokens. Happy to show it on request.
AI analysis of construction tenders from the Czech public database. OCR of scanned documents, aimed at the building trade. Both the OCR and the analysis burn AI tokens, so the demo is not publicly open — happy to show it on request.
A browser-based city builder. Generated landscape, production chains from timber to iron, a computer-controlled rival and a saved game to come back to.
An idle strategy game set in a world of AI corporations. You build your own AI empire.
Fly a jet up an endless river: blow up bridges, refuel over buoys and dodge helicopters, boats and jets. A 16-bit tribute to the 1982 classic River Raid.
Run the kopje commodity trade in a 1993 MS-DOS terminal. Speculate on timber, planks and hyraceum while watching your worker hyraxes on CCTV.
Curling with granite stone physics, curl and sweeping. Play against the AI, pass and play, or in online rooms.
A dark fantasy strategy board game for two to five players: choose a hero, explore the realm and conquer five astral gates. Online or local, in English or Czech.
A block-stacking puzzle disguised as a work calendar. Stack falling meetings across your week, clear full days and defend your lunch break.
A tower defense game against your email: build spam filters, out-of-office replies and coffee machines and hold fifteen waves of mail.
A strategy game experiment — defending a fortress.
The Czech quiz section, various topics. A local build of the quiz engine.
A well-received quiz about the Chernobyl disaster. Detailed and visually strong.
An interactive guide to finding your purpose. The Japanese ikigai model turned into a quiz engine with AI-written results.
An English quiz about Studio Ghibli films, dressed in old Macintosh aesthetics — System 7 and pixel art.
Step into the life of someone close to you. Find out what the world looked like when your grandfather or parent was exactly the age you are today.
An apology generator for awkward situations. Pick the context, get the wording.
A converter between imperial and metric units. Fast and legible.
A decision calculator — what each choice actually costs you.
A visualisation of how long different materials take to break down in nature.
A reverse alarm clock. Say where you have to be and when, add obstacles like a shower or breakfast, and it works out the latest you can get up.
Visual planning and tracking of housework. An overview of what got done and when.
A guide to breathing exercises, with the rhythm animated on screen.
A text-to-Morse converter and back, with the signal animated.
A quick calculation of Czech social and health contributions, net income and tax for the self-employed.
A presentation site for an architect specialising in linear infrastructure design. Clean layout, references, contact.
A site for a service company. Service overview and a contact form.
A demo for Crocodille: describe your situation and the sommelier recommends a baguette, with its reasoning. Powered by the Claude API.
A landing page for an AI project. Modern layout, one clear call to action.
A productised service for small businesses. No months of analysis — a quick process audit, a map of the bottlenecks, and tooling that saves hours every week.
Production for creators and marketing teams. Automated editing, subtitles and content repurposing — a system instead of a freelancer hunt.
Résumé on the web: AI consultant, managing director of two companies, graphic designer and 2D operator, media and web production. On the web since 1999.
The same résumé as a PDF, August 2026 edition.
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